1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zvonat [6]
3 years ago
15

Would aluminum be as useful as food wrapping if it had a much lower melting point? Explain your answer.

Chemistry
1 answer:
Salsk061 [2.6K]3 years ago
4 0

The correct answers are as follows:

1. Aluminium will not be useful as food wrapping if it has a much lower melting point.

Aluminum is a metallic element that is malleable and soft, thus, it is easy to beat it into thin sheet, which are used to package food. The thin sheet is called aluminium foil. Aluminum is useful as a food wrapping because it has high temperature and thus, it does not react with food (the hotness of the packaged food is not capable of melting the metal). If the melting point of aluminium is lower, this implies that little temperature, such as the one from hot food will be able to melt aluminum foil, thus allowing the food to be contaminated with the metal.

2. When bleach react with fabric dye chemical change occur in the fabric.

The major element in bleach is chlorine. When laundry bleach is added to a fabric, the chlorine component of the bleach will react with the fabric dye and cause a colour change in the fabric. This type of change is called chemical change, because the original colour of the fabric can not be recovered.

3. Every substance has specific properties, which can be used to identify it. Two of such specific properties are melting point and boiling point. Melting point refers to a specific temperature at which a solid substance will melt while boiling point refers to a specific temperature at which a liquid substance will boil and turn to steam.

Water for instance has a boiling point of 100 degree Celsius. To find out if an unknown substance is water, one can determine the boiling point of such liquid. A boiling point of 100 degree Celsius will strongly signify that the substance is probably water. The same thing applies to melting point. If the specific boiling and melting point of substances are known, then they can be used to identify them.


You might be interested in
Which equations represent precipitation reactions?
pychu [463]

A. : In this reaction one of the product, FeS is insoluble. Therefore, this is a precipitation reaction.


B. : In this reaction, the product is a solid(insoluble). So, this is a precipitation reaction too.


C.: In this reaction, both the products are soluble. So this is not a precipitation reaction.


D.: In this reaction, both the products are soluble. So this is not a precipitation reaction.


E. : In this reaction, the product AgCl is a precipitate. So, it is a precipitation reaction.

6 0
3 years ago
Read 2 more answers
Which event is most likely an example of a chemical reaction
Inessa [10]

Explanation:

One example of a chemical reaction is the rusting of a steel garbage can. That rusting happens because the iron (Fe) in the metal combines with oxygen (O2) in the atmosphere. Chemical bonds are created and destroyed to finally make iron oxide (Fe2O3).

7 0
3 years ago
Will mark Brainliest!!! PLEASE HELP
GalinKa [24]
1= D
2= B
3= E
4= F
5= A
8 0
3 years ago
What's it called when an electron has absorbed alot of energy?​
emmainna [20.7K]

Answer:

Excited state

Explanation:

Excited state is the name of the state when electrons absorb energy and move to a higher energy level.

Hope this helps!

8 0
3 years ago
Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the
Vera_Pavlovna [14]

2NH₂ + O₂ → N₂ + 2H₂O

<u>Explanation:</u>

Balancing the equation means, the number of atoms on both sides of the equation must be the same.

In the case of the given equation, we have to find out whether it is balanced or not.

2NH₂ + O₂ →  N₂ + 2H₂O

Atoms       Number of atoms before balancing     after balancing

                 LHS                 RHS                                    LHS         RHS

N               1                        2                                            2              2

H               2                       2                                            4              4                        

O               2                       1                                            2                2

To balance the N atoms, we have to put 2 in front of NH₂, and then to balance the H, O atoms, we have to put 2 in front of H₂O, so that each atom in left hand as well as right hand side of the equation was balanced.

8 0
3 years ago
Other questions:
  • Please help me solve these chemical equations:
    9·2 answers
  • The red spheres represent oxygen atoms, and the blue spheres represent hydrogen atoms. Is this substance a compound?
    8·2 answers
  • Which type of bond will most likely be found in HBr?
    13·2 answers
  • A chemical process involves adding various agents to a vat and then waiting for the agents to react to make a final compound. Th
    6·1 answer
  • Which is an important step in the alternate method for balancing equations in redox reactions?
    12·2 answers
  • Given the reaction:
    15·1 answer
  • It is possible for an object’s weight to change while it’s mass remains constant?Explain.
    10·1 answer
  • Mass of a man is 80kg. Assuming that a human body Contains 70% water, calculate the total no. of water molecules present in the
    14·1 answer
  • 2. Which is not true of an electric current?
    14·1 answer
  • During a chemical reaction, if the concentration of reactants and products doesn't change, the reaction has likely stopped. true
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!